From 0c3a88407ef2be8bb7c302c298d6ff58ebde4a43 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 14 May 2015 12:47:45 -0400 Subject: [PATCH] drm/radeon: make dpcd parameters const Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/atombios_dp.c | 8 ++++---- drivers/gpu/drm/radeon/radeon_mode.h | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 3e3290c203c6..ed173d30f1c0 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -253,7 +253,7 @@ void radeon_dp_aux_init(struct radeon_connector *radeon_connector) #define DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_LEVEL_3 #define DP_PRE_EMPHASIS_MAX DP_TRAIN_PRE_EMPH_LEVEL_3 -static void dp_get_adjust_train(u8 link_status[DP_LINK_STATUS_SIZE], +static void dp_get_adjust_train(const u8 link_status[DP_LINK_STATUS_SIZE], int lane_count, u8 train_set[4]) { @@ -311,7 +311,7 @@ static int dp_get_max_dp_pix_clock(int link_rate, /***** radeon specific DP functions *****/ int radeon_dp_get_max_link_rate(struct drm_connector *connector, - u8 dpcd[DP_DPCD_SIZE]) + const u8 dpcd[DP_DPCD_SIZE]) { int max_link_rate; @@ -328,7 +328,7 @@ int radeon_dp_get_max_link_rate(struct drm_connector *connector, * if the max lane# < low rate lane# then use max lane# instead. */ static int radeon_dp_get_dp_lane_number(struct drm_connector *connector, - u8 dpcd[DP_DPCD_SIZE], + const u8 dpcd[DP_DPCD_SIZE], int pix_clock) { int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector)); @@ -347,7 +347,7 @@ static int radeon_dp_get_dp_lane_number(struct drm_connector *connector, } static int radeon_dp_get_dp_link_clock(struct drm_connector *connector, - u8 dpcd[DP_DPCD_SIZE], + const u8 dpcd[DP_DPCD_SIZE], int pix_clock) { int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector)); diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index fa91a17b81b6..6de5459316b5 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -754,7 +754,7 @@ extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector); extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder, struct drm_connector *connector); int radeon_dp_get_max_link_rate(struct drm_connector *connector, - u8 *dpcd); + const u8 *dpcd); extern void radeon_dp_set_rx_power_state(struct drm_connector *connector, u8 power_state); extern void radeon_dp_aux_init(struct radeon_connector *radeon_connector); -- 2.20.1